so enable to facilitate a more rapid intervention, to preserve that infrastructure that serves the water supply, in fact, mayor ed lee of san francisco who requested that a state of emergency be initiated so we could cut through the red tape and have the necessary work crews do what they need to do to preserve the water supply. >> what does that mean actually? what will they have to do to preserve the water supply? >> well, it's -- there's one of electrical aqueduct type infrastructure that is being threatened by the fire. these workers will ensure that whatever needs to be done to preserve an uninterrupted water flow will be done. >> so if the fire were to get to that infrastructure, then it could threaten the water supply, is that it?